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Zinc in PDB 1a1h: Qgsr (ZIF268 Variant) Zinc Finger-Dna Complex (Gcac Site)

Protein crystallography data

The structure of Qgsr (ZIF268 Variant) Zinc Finger-Dna Complex (Gcac Site), PDB code: 1a1h was solved by M.Elrod-Erickson, T.E.Benson, C.O.Pabo, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å) 20.00 / 1.60
Space group C 2 2 21
Cell size a, b, c (Å), α, β, γ (°) 44.100, 55.900, 130.500, 90.00, 90.00, 90.00
R / Rfree (%) 23.5 / 27.7

Zinc Binding Sites:

The binding sites of Zinc atom in the Qgsr (ZIF268 Variant) Zinc Finger-Dna Complex (Gcac Site) (pdb code 1a1h). This binding sites where shown within 5.0 Angstroms radius around Zinc atom.
In total 3 binding sites of Zinc where determined in the Qgsr (ZIF268 Variant) Zinc Finger-Dna Complex (Gcac Site), PDB code: 1a1h:
Jump to Zinc binding site number: 1; 2; 3;

Zinc binding site 1 out of 3 in 1a1h

Go back to Zinc Binding Sites List in 1a1h
Zinc binding site 1 out of 3 in the Qgsr (ZIF268 Variant) Zinc Finger-Dna Complex (Gcac Site)


Mono view


Stereo pair view

A full contact list of Zinc with other atoms in the Zn binding site number 1 of Qgsr (ZIF268 Variant) Zinc Finger-Dna Complex (Gcac Site) within 5.0Å range:
probe atom residue distance (Å) B Occ
A:Zn201

b:52.8
occ:1.00
SG A:CYS107 2.1 60.7 1.0
NE2 A:HIS129 2.2 28.6 1.0
NE2 A:HIS125 2.3 40.8 1.0
CB A:CYS112 2.6 69.0 1.0
SG A:CYS112 2.7 69.0 1.0
CE1 A:HIS125 3.0 41.0 1.0
CE1 A:HIS129 3.2 28.7 1.0
CD2 A:HIS129 3.2 28.5 1.0
CB A:CYS107 3.3 62.1 1.0
CD2 A:HIS125 3.5 40.1 1.0
CA A:CYS112 4.1 68.7 1.0
ND1 A:HIS125 4.2 40.6 1.0
ND1 A:HIS129 4.3 28.7 1.0
CG A:HIS129 4.3 28.8 1.0
CG A:HIS125 4.5 40.0 1.0
CA A:CYS107 4.7 62.9 1.0
CB A:VAL109 4.7 63.4 1.0
N A:CYS112 4.8 68.5 1.0
C A:CYS112 4.8 68.7 1.0
O A:CYS107 4.9 63.2 1.0
CG A:ARG114 5.0 72.3 1.0

Zinc binding site 2 out of 3 in 1a1h

Go back to Zinc Binding Sites List in 1a1h
Zinc binding site 2 out of 3 in the Qgsr (ZIF268 Variant) Zinc Finger-Dna Complex (Gcac Site)


Mono view


Stereo pair view

A full contact list of Zinc with other atoms in the Zn binding site number 2 of Qgsr (ZIF268 Variant) Zinc Finger-Dna Complex (Gcac Site) within 5.0Å range:
probe atom residue distance (Å) B Occ
A:Zn202

b:27.1
occ:1.00
NE2 A:HIS153 2.0 19.8 1.0
NE2 A:HIS157 2.1 25.0 1.0
SG A:CYS137 2.2 23.4 1.0
SG A:CYS140 2.3 26.6 1.0
CD2 A:HIS157 2.9 23.3 1.0
CD2 A:HIS153 3.0 19.9 1.0
CE1 A:HIS153 3.1 19.8 1.0
CE1 A:HIS157 3.2 23.9 1.0
CB A:CYS137 3.2 23.7 1.0
CB A:CYS140 3.3 28.6 1.0
N A:CYS140 3.6 28.6 1.0
CA A:CYS140 4.0 28.8 1.0
CG A:HIS157 4.1 22.6 1.0
ND1 A:HIS153 4.1 19.9 1.0
CG A:HIS153 4.2 19.6 1.0
ND1 A:HIS157 4.2 23.1 1.0
O A:HOH323 4.4 34.7 1.0
CB A:ILE139 4.6 25.8 0.5
CB A:ILE139 4.6 26.1 0.5
CA A:CYS137 4.6 24.8 1.0
C A:ILE139 4.6 27.7 1.0
C A:CYS140 4.7 30.3 1.0
CB A:ARG142 4.9 28.3 1.0
N A:MET141 4.9 31.8 1.0
CA A:ILE139 5.0 26.6 1.0

Zinc binding site 3 out of 3 in 1a1h

Go back to Zinc Binding Sites List in 1a1h
Zinc binding site 3 out of 3 in the Qgsr (ZIF268 Variant) Zinc Finger-Dna Complex (Gcac Site)


Mono view


Stereo pair view

A full contact list of Zinc with other atoms in the Zn binding site number 3 of Qgsr (ZIF268 Variant) Zinc Finger-Dna Complex (Gcac Site) within 5.0Å range:
probe atom residue distance (Å) B Occ
A:Zn203

b:20.9
occ:1.00
NE2 A:HIS185 2.0 21.1 1.0
NE2 A:HIS181 2.1 16.6 1.0
SG A:CYS165 2.3 18.7 1.0
SG A:CYS168 2.3 21.0 1.0
CD2 A:HIS185 2.9 21.3 1.0
CD2 A:HIS181 3.0 15.9 1.0
CE1 A:HIS185 3.0 21.7 1.0
CE1 A:HIS181 3.1 15.9 1.0
CB A:CYS165 3.2 17.9 1.0
CB A:CYS168 3.4 19.7 1.0
N A:CYS168 3.6 21.1 1.0
CA A:CYS168 4.0 20.2 1.0
CG A:HIS185 4.1 22.3 1.0
ND1 A:HIS185 4.1 21.5 1.0
CG A:HIS181 4.2 16.6 1.0
ND1 A:HIS181 4.2 15.0 1.0
O A:HOH444 4.2 40.8 1.0
CB A:ILE167 4.4 19.7 1.0
CA A:CYS165 4.6 18.1 1.0
C A:ILE167 4.7 20.7 1.0
C A:CYS168 4.7 19.9 1.0
CB A:ARG170 4.7 20.2 1.0
N A:GLY169 4.8 18.7 1.0
CA A:ILE167 4.9 20.3 1.0
N A:ARG170 4.9 19.6 1.0
N A:ILE167 4.9 20.1 1.0

Reference:

M.Elrod-Erickson, T.E.Benson, C.O.Pabo. High-Resolution Structures of Variant ZIF268-Dna Complexes: Implications For Understanding Zinc Finger-Dna Recognition. Structure V. 6 451 1998.
ISSN: ISSN 0969-2126
PubMed: 9562555
DOI: 10.1016/S0969-2126(98)00047-1
Page generated: Wed Dec 16 02:44:20 2020

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